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Marquette, MI Local Forecast Office

28NM N Ontonagon MI

Marine Point Forecast

[NOTICE]

Tonight
Low: 62 °F
E 10kt
< 1ft
Saturday
High: 68 °F
E 10kt
1ft
Saturday Night
Low: 61 °F
E 10kt
< 1ft
Sunday
High: 68 °F
WNW 10kt
1ft
Sunday Night
Low: 61 °F
WSW 10kt
< 1ft
Monday
High: 69 °F
WSW 10kt
< 1ft
Monday Night
Low: 62 °F
SSW 10kt
1ft
Tuesday
High: 67 °F
W 10kt
< 1ft
Tuesday Night
Low: 60 °F
N 10kt
< 1ft

High and low forecast temperature values represent air temperature.

Water temperature forecast is experimental.

Associated Zone Forecast which includes this point

Last Update: 2:48 pm CDT Aug 14, 2026
Forecast Valid: 6pm CDT Aug 14, 2026-6pm CDT Aug 21, 2026

View Nearby Observations

Detailed Forecast

Tonight

E wind around 10 kt, with gusts as high as 20 kt. Mostly cloudy. Waves 1 ft or less.

Saturday

E wind around 10 kt, with gusts as high as 20 kt. A chance of showers, mainly after 3pm. Waves around 1 ft.

Saturday Night

E wind 5 to 10 kt becoming WNW after midnight. Showers and thunderstorms likely before 10pm, then a chance of showers between 10pm and 1am. Waves 1 ft or less.

Sunday

WNW wind around 10 kt, with gusts as high as 15 kt. Mostly cloudy, then gradually becoming sunny. Waves around 1 ft.

Sunday Night

WSW wind 5 to 10 kt becoming WNW after midnight. Partly cloudy. Waves 1 ft or less.

Monday

W wind 5 to 10 kt becoming SW in the afternoon. Mostly sunny. Waves 1 ft or less.

Monday Night

SSW wind around 10 kt, with gusts as high as 20 kt. Mostly cloudy. Waves around 1 ft.

Tuesday

W wind 5 to 10 kt. Partly sunny. Waves 1 ft or less.

Tuesday Night

W wind 5 to 10 kt becoming N after midnight. A chance of showers. Waves 1 ft or less.

*Notices:

This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.